Home / 312,092.35-430,687.28-176,154.82

Finding the Fourth Proportional to 312,092.35, 430,687.28 and 176,154.82

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Solution

The fourth proportional to 312,092.35, 430,687.28 and 176,154.82 is: 243,093.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,092.35 : 430,687.28 = 176,154.82 : x
  2. Step 2: Convert to fraction form
    312,092.35/430,687.28 = 176,154.82/x
  3. Step 3: Cross multiply
    312,092.35x = 430,687.28 × 176,154.82
  4. Step 4: Simplify right side
    312,092.35x = 75,867,639,648.36
  5. Step 5: Solve for x
    x = 75,867,639,648.36/312,092.35
  6. Step 6: Final answer
    x = 243,093.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.